This two-digit digital pressure gauge was found in the 1992 special edition of Radio Electronics Experimenter. A/D converter integrated circuits are uncommon today.
When the switch S1 is pressed for a moment, the motor receives the voltage of B1 more, adding to...
We found this circuit in the December 1994 Electronics Now magazine. The worthless components are...
This circuit is the receiver for the previous remote-control transmitter. We found it in the same...